Crawfish Posted September 21, 2023 Report Share Posted September 21, 2023 (edited) Hello all! I have had my offer accepted on a 1979 231, with a LB engine no intercooler or Merlyn. Would someone share a PDF of their POH and MX manual if they have it? I want to start studying the POH before we pick up the plane. (assuming I still like it after the prebuy) I searched the downloads for both and could not find a 231 model one. Parts catalog yes, 252 mx manual yes but not the 231 POH. Thank you, Austin Edited September 21, 2023 by Crawfish Clarity Quote Link to comment Share on other sites More sharing options...
1980Mooney Posted September 21, 2023 Report Share Posted September 21, 2023 33 minutes ago, Crawfish said: Hello all! I have had my offer accepted on a 1979 231, with a LB engine no intercooler or Merlyn. Would someone share a PDF of their POH and MX manual if they have it? I want to start studying the POH before we pick up the plane. (assuming I still like it after the prebuy) I searched the downloads for both and could not find a 231 model one. Parts catalog yes, 252 mx manual yes but not the 231 POH. Thank you, Austin https://www.oesc-aero.at/downloads/POH_Mooney_M20K_OEKOG.pdf Quote Link to comment Share on other sites More sharing options...
Crawfish Posted September 21, 2023 Author Report Share Posted September 21, 2023 @1980Mooney Thank you! Quote Link to comment Share on other sites More sharing options...
1980Mooney Posted September 21, 2023 Report Share Posted September 21, 2023 41 minutes ago, Crawfish said: Hello all! I have had my offer accepted on a 1979 231, with a LB engine no intercooler or Merlyn. Would someone share a PDF of their POH and MX manual if they have it? I want to start studying the POH before we pick up the plane. (assuming I still like it after the prebuy) I searched the downloads for both and could not find a 231 model one. Parts catalog yes, 252 mx manual yes but not the 231 POH. Thank you, Austin The Parts Manual is in the Downloads Section here on MS 1 Quote Link to comment Share on other sites More sharing options...
1980Mooney Posted September 21, 2023 Report Share Posted September 21, 2023 44 minutes ago, Crawfish said: Hello all! I have had my offer accepted on a 1979 231, with a LB engine no intercooler or Merlyn. Would someone share a PDF of their POH and MX manual if they have it? I want to start studying the POH before we pick up the plane. (assuming I still like it after the prebuy) I searched the downloads for both and could not find a 231 model one. Parts catalog yes, 252 mx manual yes but not the 231 POH. Thank you, Austin You can download the Service Manual for free here. https://www.manualslib.com/manual/1368102/Mooney-M20k.html#manual 1 Quote Link to comment Share on other sites More sharing options...
1980Mooney Posted September 22, 2023 Report Share Posted September 22, 2023 7 minutes ago, 1980Mooney said: You can download the Service Manual for free here. https://www.manualslib.com/manual/1368102/Mooney-M20k.html#manual @Crawfish Also - The "manualslib" M20K Service and Maintenance Manual is the only one that I have seen that has the Electrical Schematics. You find them in 7 "Envelopes" after Chapter 91-30. You definitely want to download and save this one. You will find all the mechanical parts in the Parts Catalogue. You will find all the electrical parts in the back sections of the Service and Maintenance Manual. (Chapter 91) As stated above you will find all the wiring and electrical schematics in the Service and Maintenance Manual after Chapter 91 - referenced to Serial Number of your plane. Quote Link to comment Share on other sites More sharing options...
Crawfish Posted September 22, 2023 Author Report Share Posted September 22, 2023 Thank you for the breakdown! Quote Link to comment Share on other sites More sharing options...
1980Mooney Posted September 22, 2023 Report Share Posted September 22, 2023 13 minutes ago, Crawfish said: Thank you for the breakdown! This is a great resource for all things Mooney: https://www.knr-inc.com/shop-talk-articles.html This may be too much too soon but the Continental engine has it's own quirks and additional manuals to supplement the Mooney M20K Service Manual. (operation, adjustment (especially the continuous fuel injection), overhaul) https://www.knr-inc.com/shop-talk-articles.html?view=article&id=94&catid=25 https://www.knr-inc.com/shop-talk-articles.html?view=article&id=98&catid=25 https://www.knr-inc.com/shop-talk-articles.html?view=article&id=38&catid=25 https://www.knr-inc.com/shop-talk-articles.html?view=article&id=118&catid=25 TCM SID97-3E (again) - Tennessee Aircraft Services, Inc. http://www.kellyaerospace.com/articles/ContinuousFlow.pdf https://pceonline.com/wp-content/uploads/2017/04/M-0standardpractice2017-01-15.pdf Continuous Flow Fuel Injection Systems Adjustment Specifications and Instructions (twincessna.org) Cont. Motors SID97-3G (Latest) https://www.scribd.com/document/433794061/TSIO-360-Overhaul-Manual 3 Quote Link to comment Share on other sites More sharing options...
Crawfish Posted September 22, 2023 Author Report Share Posted September 22, 2023 Holy cow! I’ve got plenty to read now! Good thing it’s a couple weeks until pick up the plane! (Once again assuming satisfactory pre-buy) thank you! Quote Link to comment Share on other sites More sharing options...
DanM20C Posted September 22, 2023 Report Share Posted September 22, 2023 @1980Mooney posted some great stuff! But the POH linked is for a 252 and there are many differences. Specifically between the MB an LB engines. Also, the 79 231's airspeed indicator came in mph instead of kts. So referencing v-speeds you will have to multiply by 1.15. Unless yours has been converted to kts. Someplace online there is a 79 K POH in .pdf.. Unfortunately I don't know where but google should help you find one. 231's are great airplanes! Your going to love it. Cheers, Dan Quote Link to comment Share on other sites More sharing options...
Ron McBride Posted September 22, 2023 Report Share Posted September 22, 2023 1 hour ago, Crawfish said: Holy cow! I’ve got plenty to read now! Good thing it’s a couple weeks until pick up the plane! (Once again assuming satisfactory pre-buy) thank you! Don’t forget the manuals on updated avionics. They were bigger than the poh on my F. Quote Link to comment Share on other sites More sharing options...
1980Mooney Posted September 22, 2023 Report Share Posted September 22, 2023 4 hours ago, DanM20C said: @1980Mooney posted some great stuff! But the POH linked is for a 252 and there are many differences. Specifically between the MB an LB engines. Also, the 79 231's airspeed indicator came in mph instead of kts. So referencing v-speeds you will have to multiply by 1.15. Unless yours has been converted to kts. Someplace online there is a 79 K POH in .pdf.. Unfortunately I don't know where but google should help you find one. 231's are great airplanes! Your going to love it. Cheers, Dan Sorry about that. Unfortunately, I can't find a 231 POH anywhere online free now. The old sites like Sparrow Flying Club, Delta Aviation, Monticello Flying Club, etc either no longer exist or no longer have a 231 and as a result took down their 231 POH pdf. Quote Link to comment Share on other sites More sharing options...
1980Mooney Posted September 22, 2023 Report Share Posted September 22, 2023 12 hours ago, Crawfish said: Holy cow! I’ve got plenty to read now! Good thing it’s a couple weeks until pick up the plane! (Once again assuming satisfactory pre-buy) thank you! Pre-Buy is another hotly debated subject. Just make sure that they look closely for interior corrosion - Quote Link to comment Share on other sites More sharing options...
1980Mooney Posted September 22, 2023 Report Share Posted September 22, 2023 18 hours ago, Crawfish said: Hello all! I have had my offer accepted on a 1979 231, with a LB engine no intercooler or Merlyn. Would someone share a PDF of their POH and MX manual if they have it? I want to start studying the POH before we pick up the plane. (assuming I still like it after the prebuy) I searched the downloads for both and could not find a 231 model one. Parts catalog yes, 252 mx manual yes but not the 231 POH. Thank you, Austin You may find this reprinted AOPA PILOT review of the 1984 Mooney M20K 231 interesting (April 1984). https://aeroresourcesinc.com/proj98-ci/WebContent/uploads/198404-1984 Mooney M20K 231.pdf 1 Quote Link to comment Share on other sites More sharing options...
Marc_B Posted September 22, 2023 Report Share Posted September 22, 2023 Contact Mooney. They can probably email you a pdf copy. Quote Link to comment Share on other sites More sharing options...
LANCECASPER Posted September 22, 2023 Report Share Posted September 22, 2023 If you go through a Mooney Service Center you'll get one specific for your serial number. Quote Link to comment Share on other sites More sharing options...
spistora Posted September 23, 2023 Report Share Posted September 23, 2023 I purchased my 79 M20K with -LB engine and no Merlyn or intercooler. Added both on the first annual. Great plane. Quote Link to comment Share on other sites More sharing options...
Bigdaddie Posted October 28, 2023 Report Share Posted October 28, 2023 On 9/21/2023 at 4:02 PM, Crawfish said: Hello all! I have had my offer accepted on a 1979 231, with a LB engine no intercooler or Merlyn. Would someone share a PDF of their POH and MX manual if they have it? I want to start studying the POH before we pick up the plane. (assuming I still like it after the prebuy) I searched the downloads for both and could not find a 231 model one. Parts catalog yes, 252 mx manual yes but not the 231 POH. Thank you, Austin MOONEY M20K POH.pdf Here's a 231 POH. 2 Quote Link to comment Share on other sites More sharing options...
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